What if North Korea and Iran become nuclear states? If the United States must live with a nuclear Iran and North Korea, what policies should it adopt? Furthermore, could the U.S. change its foreign policy to reduce the risk of nuclear proliferation to even more countries?

Wal-Marts detractors argue that Wal-Mart reduces living standards, hurts retail trade, disrupts communities, and relies on government programs to provide healthcare for many of its workers. Is Wal-Mart a force for good or evil?